From Atari to Sep: Unleashing the Power of Performance in Programming with Niels Rassmussen
The Modern .NET Show
Unveiling the SEP Library and its Performance Aspects
This chapter introduces SEP, a CSV parsing library designed to meet specific needs that other libraries did not meet. It discusses the benefits of using generic math and static abstract interfaces in SEP for text-to-float conversions.
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Show Notes
Welcome to The Modern .NET Show! Formerly known as The .NET Core Podcast, we are the go-to podcast for all .NET developers worldwide and I am your host Jamie "GaProgMan" Taylor.
In this episode, I spoke with Niels Rasmussen about a CSV parser he wrote called Sep - one of the fastest CSV parses in .NET - and the the mysteries of performance optimization and mechanical sympathy.
"And I just got hooked by it. It has to be faster. It has to be faster than the fastest known to man. So that's what I worked on a lot and that's what I find fun. I'm very passionate about performance, mechanical sympathy, all that. That's really what I dig, things I read about and stuff like that." — Niels Rasmussen
Along the way we discuss the power of simplicity, the importance of understanding hardware intricacies, and the birth of Niels' lightning-fast CSV parsing library, Sep. From exploring different programming paradigms to dissecting the legendary Doom source code, this podcast is a must-listen for developers seeking to enhance their skills and unravel the secrets of software development
In preparation for this episode, Niels actually provided a veritable cornucopia of performance-related stuff - from important points to links to blog posts and other resources. There was no way that we could include them all in this episode, so I have gotten his permission and have been able to supply them as a PDF, linked at the end of the show notes page on the website. How cool is that!
So let's sit back, open up a terminal, type in dotnet new podcast and we'll dive into the core of Modern .NET.
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Full Show Notes
The full show notes, including links to some of the things we discussed and a full transcription of this episode, can be found at: https://dotnetcore.show/season-6/from-atari-to-sep-unleashing-the-power-of-performance-in-programming-with-niels-rassmussen
Useful Links
- Sep
- Niels' blog
- pi-hole
- Jellyfin
- The original source code for DOOM
- Game Engine Black Book: DOOM Edition
- NCsvPerf by Joel Verhagen
- CsvHelper
- Sylvan
- AVX
- hardware intrinsics
- Vector256
- Pack With Unsigned Saturation
- Extract Most Significant Bit
- BitOperations
- TrailingZeroCount
- Disasmo
- Peter Cordes
- pshufb
- SIMDized check which bytes are in a set
- Introduction to vectorization with Vector128 and Vector256 by Adam Sitnik
- BenchmarkDotNet
- 10x Performance with SIMD Vectorized Code in C#/.NET by Alexander Mutel
- Niels on GitHub
- Niels on Twitter
- Niels on Mastodon
- Introducing Sep
- Supporting the show:
- Getting in touch:
- Music created by Mono Memory Music, licensed to RJJ Software for use in The Modern .NET Show
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